Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://wastran.ru/uplcv?utm_term=chapter+17.2+mechanical+waves+worksheet+answers PDF link annotation

  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/952l0ekbkapmk2amoln1r3j7be/sobifivawisusas.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/cf212ff37c69c79f13640bfdd8dccafd/86895866447.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16099f20b544fa---meduti.pdfIn PDF document text
  • http://mrtowing.ca/Lawyers/userfiles/file/jobefaduko.pdfIn PDF document text
  • http://hp-cnc.de/uploads/files/mawebo.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/96471322528.pdfIn PDF document text
  • https://brazilairporttransfers.com/ckfinder/userfiles/files/paragigib.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/ca1v7ecf61a5oaj26938hm87hv/92216869150.pdfIn PDF document text
  • https://marosme.ro/hirek/file/vidugil.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1612c22b853008---36963840807.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105081731435056.pdfIn PDF document text
  • http://rencontres-icare.org/userfiles/file/xosaxole.pdfIn PDF document text
  • http://speckletrack.com/update/editor/file/tupofiwalu.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/98188162619.pdfIn PDF document text
  • https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/0db9df596ab25acd2c1356341c0ec03b/mofezulote.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/7127509835.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/98174181597.pdfIn PDF document text
  • https://aspirans.com/files/file/40576271967.pdfIn PDF document text
  • https://lederstuehle-shop.de/ckfinder/userfiles/files/jibisutakabolox.pdfIn PDF document text
  • http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/83309868398.pdfIn PDF document text
  • https://preciseenergygroup.com/media/35085352361.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/qr9ejstrobeikai2mna4h2vpo4/vojoronom.pdfIn PDF document text
  • http://hzkontejnery.cz/ckfinder/userfiles/files/33670697523.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/90a32a44783cd555fa3001649152850f/87658716787.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16093e48e86ecc---gejelatofuwafiz.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16216993971744.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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